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Kerlig

A macOS AI writing app for drafting, proofreading and chatting with documents in any app.

Proprietary
PaidProprietarymacOS

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About Kerlig

Kerlig is a Mac app for written work: emails, Slack replies, Jira tickets and proofreading, written in your own tone. It offers built-in actions such as fixing spelling, summarizing and making text shorter, and you can create custom actions.

You connect AI providers with your own API keys and choose from more than 350 models. It can chat with documents, webpages, ebooks and images and connect to MCP servers. Version 2.8 added an agentic mode that reads the screen and uses apps. Messages go straight to providers and are stored encrypted on the Mac.

Strengths

  • Works in any Mac app with built-in and custom actions
  • Choice of 350+ models through your own API keys
  • Chat history stored encrypted on the Mac
  • MCP server support for tools such as Notion and GitHub

Limitations

  • Mac only, macOS 12 or later
  • Requires your own API keys from AI providers

Details

Pricing
PaidPricing is not given in the research; models are billed through your own provider API keys.
License
Proprietary
Platforms
macOS
How it runs
Downloadable app
Best suited for
Mac users who write a lot at work and want AI help in every app
Last verified
Added
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